EP0057380B1 - Batteur et séparateur pour une moissonneuse-batteuse à écoulement axial - Google Patents
Batteur et séparateur pour une moissonneuse-batteuse à écoulement axial Download PDFInfo
- Publication number
- EP0057380B1 EP0057380B1 EP82100400A EP82100400A EP0057380B1 EP 0057380 B1 EP0057380 B1 EP 0057380B1 EP 82100400 A EP82100400 A EP 82100400A EP 82100400 A EP82100400 A EP 82100400A EP 0057380 B1 EP0057380 B1 EP 0057380B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- threshing
- separating drum
- conveying
- elements
- separating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F12/00—Parts or details of threshing apparatus
- A01F12/18—Threshing devices
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F7/00—Threshing apparatus
- A01F7/02—Threshing apparatus with rotating tools
- A01F7/06—Threshing apparatus with rotating tools with axles in line with the feeding direction ; Axial threshing machines
- A01F7/067—Threshing apparatus with rotating tools with axles in line with the feeding direction ; Axial threshing machines with material-flow influencing means
Definitions
- the invention relates to a threshing and separating drum for a combine working according to the axial flow principle, with a threshing and separating drum housing having at least partial separating openings and guide elements, in which the threshing and separating drum is rotatably mounted, the numerous being spaced apart from one another in the axial and circumferential directions Arranged, approximately upright crop contact elements, which cooperate with separating or threshing elements provided on the threshing and separating drum and with the guide elements and in the manner of a helix on the threshing and separating drum, in particular in an area between a receiving part and a discharge part of the Threshing and separating drum are arranged.
- An axial threshing machine for a self-propelled combine harvester is known (DE-B-2 064190), which is equipped with a rotatably mounted threshing drum, on which are arranged spike-like tooth elements which are spaced apart from one another and which extend over the entire threshing zone and also the crop to convey in the axial direction of the concave to the discharge end of the concave.
- the tooth elements which are at a relatively large distance from one another, do not result in a screw helix which is continuous to convey the crop, and which convey the crop in approximately the same direction as the helix helix line.
- a threshing and separating drum for a combine operating according to the axial flow principle is known (US-A-4 178 943), which is equipped with numerous threshing strips provided on the outer circumference of the threshing part of the threshing and separating drum extend parallel to the longitudinal axis of the threshing and separating drum.
- the individual conveying elements are aligned so that the conveying surface of the corresponding conveying element lies on a screw helix over its entire length. The spiral trajectory of the crop runs in the opposite direction to the screw spiral formed by the conveyor elements.
- the invention is based on the object of designing and arranging the threshing and separating drum with the associated conveying elements in such a way that an optimal conveying capacity of the threshing and separating drum is achieved while avoiding the formation of a crop strand.
- This object has been achieved in that the individual crop contact elements arranged in a row one behind the other point in the circumferential direction of the threshing and separating drum and the line connecting the individual crop contact elements forms a negative or spiral line extending in the direction of rotation, so that the screw spiral formed by the crop contact elements and the path of the crop through the threshing and separating drum housing run in the same direction.
- the crop is conveyed properly through the threshing and separating housing, since the screw helix formed by the crop contact elements elements in the same direction as the direction of rotation of the threshing and separating drum and thus to the crop flow, which is moved through the threshing and separating drum housing.
- the screw helix formed by the crop contact elements elements in the same direction as the direction of rotation of the threshing and separating drum and thus to the crop flow, which is moved through the threshing and separating drum housing.
- the formation of the estate strand is further prevented by the individual conveying surfaces being oriented in this way; that the pitch angle of the spiral trajectory of the crop is approximately equal to the pitch angle of the crop contact elements arranged in the manner of a screw helix. It is also advantageous that the crop contact elements are designed as teeth and that the crop contact element is designed as a truncated pyramid-like conveying element with a conveying surface, the geometrical extension of which, with respect to the circumferential direction of the threshing and separating drum, intersects the spiral trajectory of the crop at an acute angle.
- the advantageous design of the individual conveying elements ensures perfect conveying of the crop, the individual conveying surfaces acting on the crop in such a way that they move it spirally through the housing in connection with the guide elements in the threshing and separating drum housing and thereby avoid it that the crop tangles or tangles or forms a strand of material that leads to an increased power consumption of the drive device for driving the threshing and separating drum.
- the conveying surface of the conveying element has a downstream leading edge and an upstream edge, the lowest point of which at the foot of the conveying element is at a smaller distance from the upstream movement path of the crop than the lowest point of the downstream edge. Since the front edge of the conveying element first has contact with the downstream crop flow, these edges act so aggressively on the crop that, for example, a strand of crop that is formed is disturbed in such a way that it dissolves when the individual conveying elements continue to act. In order to further prevent the formation of a good strand, it is available partial that the conveyor elements for cutting the crop are provided with knife parts. By using interchangeable knife parts on the individual conveyor elements, the crop can be shredded in such a way that a crop strand formation cannot occur.
- the screw spiral formed by the individual conveying elements must be regarded as rotating negatively with respect to the course of a normal screw spiral for conveying material through a housing.
- a negative rotating, continuous screw spiral would normally not convey the crop downstream, but upstream.
- the inclined conveying elements comb through the crop and prevent the formation of crop strands, at the same time they also act on the crop in such a way that they pass through the crop in conjunction with the spiral guide elements move the threshing and separating drum housing.
- the screw spiral formed by conveyor elements has the same course as the screw-shaped guide element arranged in the threshing and separating drum housing.
- At least one further row with conveying elements running parallel to the first row is provided on the threshing and separating part. Since there are two rows of conveying elements between two adjacent threshing bars that extend in the axial direction of the threshing and separating drum, which run on a screw helix, very good conveying performance is obtained without the formation of a crop strand. It is also advantageous that a plurality of conveying elements arranged one behind the other form part of an interrupted screw spiral, which are each arranged between two threshing bars running parallel to the longitudinal axis of the threshing and separating drum.
- the interrupted screw spiral formed by the conveying elements forms an acute angle with the respective conveying surface of the conveying element, which angle is open in the circumferential direction. It is also possible that the screw spiral formed by the conveying elements forms a right angle with the respective conveying surface.
- the angle that is formed between the conveying surface and the screw spiral can be designed to be different in size, depending on whether the crop is to be moved quickly or slowly through the threshing and separating drum housing.
- the conveying elements are advantageously arranged in such a way that their conveying surfaces each have at least the rear side of the preceding conveying element with respect to the conveying direction of the threshing and separating drum partially overlap.
- the individual conveying elements arranged one behind the other form a large conveying surface in the conveying direction, the individual front edges of the conveying elements forming an aggressive surface, which act on the crop in such a way that matting of the crop can be eliminated.
- the conveying surface of the corresponding conveying element forms an angle greater than 0 ° and less than 90 ° with the longitudinal axis of the threshing and separating drum. It is also advantageous that the conveying elements are designed to be relatively narrow with respect to the direction of rotation and are arranged one behind the other in groups on support elements which can be detachably connected to the threshing and separating drum. By using the group construction of the individual conveying elements, they can be easily replaced in a cost-saving manner even in the event of damage and can be replaced in a very short time by a new group of individual conveying elements.
- the conveyor elements arranged on the threshing drum extending in the longitudinal direction of the combine harvester can also be arranged on another threshing drum which extends, for example, transversely to the direction of travel of the combine harvester, but the crop is moved further in the longitudinal direction of the drum.
- the conveying element has a downstream, inclined edge, which forms an acute angle with the surface of the threshing and separating drum. If the conveyor elements run approximately parallel to the longitudinal axis of the threshing and separating drum or if the corresponding conveying surface forms a relatively small angle with the longitudinal axis of the threshing and separating drum, then the inclined edge ensures that the crop slides along this edge and therefore not on Conveyor element gets stuck.
- 10 denotes a combine harvester that works according to the axial flow principle and that has two front wheels 12 and two rear controllable wheels 14.
- the combine 10 has a harvesting device 16, via which the crop is picked up and fed to a threshing and separating device 18 provided in the combine.
- the harvested material separated from the threshing and separating device 18 is fed to a cleaning device 20 and the cleaned harvested material is fed to a collecting container 22.
- the threshed straw is excreted at the rear end 24 of the threshing and separating device 18.
- the threshing and separating device includes a cylindrical threshing and separating drum housing 30, which is at least partially designed as a threshing and separating basket 32 (FIG. 5). On the inner surface of the threshing and separating drum housing 30 there are a plurality of helical guide elements 34 arranged one behind the other.
- a threshing and separating drum 36 is rotatably supported coaxially and is directly or indirectly via one at the rear end of the combine harvester 10 provided internal combustion engine 38 driven.
- the threshing and separating drum 30 shown in the exemplary embodiment extends in the longitudinal direction, i.e. in the direction of travel of the combine.
- a threshing and separating drum transversely to the direction of travel of the combine harvester and, for example, to integrate it in the front area of the combine harvester 10 or in the harvesting device 16, it being possible for the harvested material which has separated out at the end of the threshing and separating drum to be deflected in this way that it can be given to a downstream cleaning device.
- the threshing and separating drum 36 is divided into three functionally different sections, namely it consists of a receiving part 40, a threshing part 42 and a separating part or discharge part 44.
- the harvested part 42 also separates the crop is made of straw and is separated over the threshing and separating drum basket.
- the frame or the threshing and separating drum body 46 is cylindrical except for the receiving part 40.
- the receiving part consists of a truncated cone 48 which is firmly connected to the threshing and separating part 42.
- the receiving part 40 picks up the crop from the harvesting device 16 and guides it axially downstream by means of the conveyor elements 50 (FIG. 2) arranged on the truncated cone 48 and shown in broken lines.
- the downstream end 52 of the conveying element extends somewhat into the area of the threshing and separating part 42.
- the threshing and separating part 42 has numerous mandrel-like or tooth-like conveying elements 54 which are arranged on the outer circumference of the threshing and separating body 46 and which are aligned with one another, at least the connecting line of all conveying elements forming a screw helix.
- Each conveying element 54 has a guide edge 55 which extends inclined to the rear with respect to the direction of rotation (see arrow 57).
- the conveyor elements 54 arranged one behind the other can be arranged in groups on three arcuate supports 56 arranged next to one another (FIG. 3), which are fastened on the threshing and separating drum body (FIGS. 2, 3).
- each carrier 56 has two rows or groups 58 with conveyor elements 54.
- the conveyor elements 54 are evenly spaced from one another in the circumferential direction.
- the distances between the conveyor elements 54 are identified in FIG. 3 by the reference numerals 60 and 62.
- the axial structure of the individual conveying elements is selected such that one group 58 is offset from the following group by approximately one third of the axial distance 60 between two conveying elements 54, so that the conveying elements 54 each have an axial space between them and with reference to the threshing and separating drum body 46 each occupy a special position.
- the antigood strand effect is best achieved when the number of teeth is not greater than the number of teeth required to achieve an effective threshing and separating effect and promoting effect.
- the conveying elements 54 just described also act on the inner surface of the threshing and separating drum basket 32 teeth 64 together (FIGS. 10 and 11).
- the individual teeth 64 are arranged in a staggered manner and thus prevent the formation of a good strand. They are spaced so far apart that the conveying elements 54 can easily migrate tightly through the spaces formed by two teeth.
- the interaction of the teeth 64 with the conveyor elements 54 supports the threshing process between the conveyor elements 54 and the teeth 64 and the concave 32.
- the individual groups 58 are the conveyor elements 54 (Fig.
- the negatively rotating or counter-rotating screw spiral (the pitch angle is indicated in FIG. 3 by reference numeral 68) is an essential feature of the invention.
- the angle or pitch angle 68 of the screw helix just described influences the pitch angle of the movement path of the crop moving through the threshing and separating drum housing.
- the axial distance 60 and 62 between the conveyor elements 54 and between the individual groups 58 on the carrier 56 is to be selected in such a way that the best approximation to the ideal pitch angle is obtained, with which, in addition to avoiding the formation of a crop strand, the crop can be conveyed perfectly .
- Different arrangements of the conveyor elements 54 are illustrated in FIGS. 4a to 4c.
- the arrangement according to FIG. 4b corresponds to the arrangement of the conveying elements according to FIGS. 3 and 3.
- the conveying elements 54 are at a relatively small distance from one another in the axial direction, while they are at a relatively large distance in the circumferential direction.
- Such an arrangement or distribution of the conveying elements 54 helps to keep the torque peaks small, which can be caused by the interaction of the conveying elements of the threshing and separating drum 36 with the threshing and separating basket 32 or the teeth 64.
- FIG. 6 Another arrangement of the conveyor elements 54 'arranged on the carriers 56' in groups 58 'is illustrated in FIG. 6.
- the pitch angle of the conveying elements among one another is selected such that the conveying surface 70 moves the crop downstream, in order to thus support the effect of the guide element 34 on the threshing and separating drum housing 30.
- FIGS. 5 and 7 shows a counter-rotating screw arrangement with conveyor elements arranged in groups 58 ′′ in connection with axially extending threshing elements 71.
- three threshing strips 72 are located at a uniform distance from one another on the housing 46 'is fastened by means of a carrier 74.
- the angle of inclination of the individual conveyor element 80 (FIG. 9) is chosen with respect to the longitudinal axis 81 of the threshing and separating drum 36 such that the conveyor element 80 forms an acute angle with the longitudinal axis 81, the The conveying surface of the conveying element 80 is directed downstream, and the conveying elements 80 are furthermore staggered downstream.
- the outward-facing crop contact elements or conveying elements 54, 54 ' provided on the threshing and separating drum 36, which are arranged in the manner of an opposing spiral with respect to the direction of rotation of the threshing and separating drum, prevent matting or solidification of the Harvested material if it is moved in the form of a material mat by means of the uniformly rotating threshing and separating drum 36 through the threshing and separating drum housing 30. This also prevents the crop from being aligned in the form of a rope-like strand of material, as can occur with conventional threshing and separating drums.
- This known material flow curve is shown in FIG. 2 by the dashed lines 90.
- the crop strand runs across or at right angles to the spiral on which the crop mat continuously moves through the threshing and separating drum housing 30.
- This direction of the spiral of the crop flow with respect to the threshing and separating drum housing is indicated by the arrow line 92 (FIG. 2).
- the spiral can of course run clockwise or anti-clockwise.
- the spiral line 92 shown in FIG. 2 is referred to as left-turning.
- the group 58 of the conveying elements 54 runs approximately parallel to the spiral line 92 of the crop flow through the housing, i. H. the crop flow is also counter-clockwise.
- the front surfaces 70 offer a minimal contact surface for the crop flow, so that the formation of a crop strand is prevented by the knife-like edge 55.
- the crop is thus moved over an interrupted staggered conveyor area and not over a relatively wide, continuous conveyor area.
- the arrangement of the conveyor elements and their dimensions can be selected differently. However, it has proven to be particularly advantageous to provide the threshing and separating drum 30 with a diameter of 650 mm and to form the conveyor elements 54, 75-90 mm high, the distance between the outer circumference of all conveyor elements 54 and the inner surface of the threshing device. and separation drum housing 30 forms a gap width between 35 and 50 mm, while the guide elements 34 are approximately 25 mm high.
- the radial gap between the threshing and separating drum housing 30 and the threshing and separating drum basket 32 and the conveyor elements 54 and the threshing strips 72 is between 35 and 50 mm (FIG. 5).
- the rearwardly inclined guide edge 55 of the guide element 54 forms an angle of 50 ° or more with the radial plane.
- the Antigutsstrang characterizing may be increased by that blade 94 to the winningele- elements 54 '(Fig. 12) are provided which cut the crop flow and reduce the length of the straw.
- the knives 94 can be serrated at their cutting edges and can be designed such that the leading edge and the trailing edge can be used as the cutting edge.
- the knives 94 are detachably connected to a holder by means of screw bolts.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Threshing Machine Elements (AREA)
Claims (14)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/229,688 US4362168A (en) | 1981-01-30 | 1981-01-30 | Separator for an axial flow rotary combine |
US229688 | 1988-08-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0057380A1 EP0057380A1 (fr) | 1982-08-11 |
EP0057380B1 true EP0057380B1 (fr) | 1986-12-10 |
Family
ID=22862295
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP82100400A Expired EP0057380B1 (fr) | 1981-01-30 | 1982-01-21 | Batteur et séparateur pour une moissonneuse-batteuse à écoulement axial |
Country Status (9)
Country | Link |
---|---|
US (1) | US4362168A (fr) |
EP (1) | EP0057380B1 (fr) |
AU (1) | AU539471B2 (fr) |
BR (1) | BR8200452A (fr) |
CA (1) | CA1159333A (fr) |
DE (1) | DE3274617D1 (fr) |
ES (1) | ES509129A0 (fr) |
SU (1) | SU1192591A3 (fr) |
ZA (1) | ZA82557B (fr) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4505279A (en) * | 1983-08-08 | 1985-03-19 | Sperry Corporation | Staggered spiral rasp bar segments for axial flow combines |
US5035675A (en) * | 1985-07-24 | 1991-07-30 | J. I. Case Company | Convertible combine rotor |
DE3537959C2 (de) * | 1985-10-25 | 1995-02-23 | Claas Ohg | Selbstfahrender Mähdrescher |
BR8807659A (pt) * | 1988-02-05 | 1990-08-07 | Gol Sp K Bjuro Komplexam Mashi | Debulhador-separador de graos axial-rotativo, combinado |
GB8810759D0 (en) * | 1988-05-06 | 1988-06-08 | Ford New Holland Nv | Axial flow harvesting machine |
HU893889D0 (en) * | 1988-06-24 | 1990-06-28 | Proizv Ob Taganrog Komba Z | Apparatus for trashing and separating in a combine |
US4919641A (en) * | 1988-10-13 | 1990-04-24 | Spetsializirovannoe Konstruktorskoe Bjuro No Komplexam Machin Dlya Dvukhafaznoi Uborki | Axial threshing and separating means |
US4936810A (en) * | 1989-05-05 | 1990-06-26 | Ford New Holland, Inc. | Crop thinning elements for axial flow combine |
US4889517A (en) * | 1989-05-05 | 1989-12-26 | Ford New Holland, Inc. | Overlapping rasp bar rotor for axial flow combines |
US5376047A (en) * | 1993-04-26 | 1994-12-27 | Deere & Company | Crop engaging element for an axial agricultural combine |
US5364306A (en) * | 1993-04-26 | 1994-11-15 | Deere & Company | Notched helical vanes in the feeding section of an axial agricultural combine |
US5688170A (en) * | 1993-07-01 | 1997-11-18 | Deere & Company | Rotary combine having a concentric infeed section and eccentric threshing and separating sections |
AU676037B2 (en) * | 1993-07-01 | 1997-02-27 | Deere & Company | An axial flow combine having a concentric threshing section and an eccentric separation section |
DE19720074B4 (de) * | 1997-05-14 | 2005-07-21 | Claas Selbstfahrende Erntemaschinen Gmbh | Mähdrescher |
DE19802672C2 (de) * | 1998-01-24 | 1999-12-23 | Claas Selbstfahr Erntemasch | Mähdrescher |
US6036598A (en) * | 1998-05-21 | 2000-03-14 | Deere & Company | Crop processing element for a rotary combine |
ITVI980113A1 (it) * | 1998-06-10 | 1999-12-10 | Giuseppe Loppoli | Carro trincia-miscelatore-distributore per il trattamento di materiali adatti alla produzione di compost |
US6296566B1 (en) | 1999-10-05 | 2001-10-02 | Case Corporation | Infeed impeller for a rotary combine |
US6325714B1 (en) * | 1999-10-07 | 2001-12-04 | Case Corporation | Rotor assembly for a combine |
GB2356546A (en) * | 1999-11-26 | 2001-05-30 | Ford New Holland Nv | Threshing and separating unit for axial flow combines |
US6375564B1 (en) * | 1999-11-29 | 2002-04-23 | Deere & Company | Ramp segment for a combine rotor |
DE60108039T2 (de) * | 2000-10-25 | 2005-06-02 | Cnh Belgium N.V. | Rotoranordnung für Mähdrescher mit Spiralzylinder |
US7028457B2 (en) * | 2003-01-10 | 2006-04-18 | Cnh America Llc | Threshing plate for a tailings conveyor of an agricultural combine |
GB2407750A (en) * | 2003-11-06 | 2005-05-11 | Cnh Belgium Nv | Axial flow combine harvester with adaptable separating unit |
US7022013B1 (en) * | 2004-11-17 | 2006-04-04 | Cnh America Llc | Axial flow combine harvester with adaptable separating unit |
US7390252B1 (en) | 2007-02-28 | 2008-06-24 | Cnh America Llc | Agricultural combine rotor with a four inlet impeller arrangement feeding a three rasp bar threshing element layout |
US7632180B2 (en) | 2007-02-28 | 2009-12-15 | Cnh America Llc | Method of making a rotor for a threshing system of an agricultural combine |
US8146231B2 (en) * | 2007-05-23 | 2012-04-03 | Cnh America Llc | Insertion tool for a rotary chopper element of an integral chopper assembly of a combine harvester |
DE102012106338A1 (de) * | 2012-07-13 | 2014-01-16 | Joachim Haase | Dreschtrommel sowie eine mit einer solchen Dreschtrommel ausgestattete mobile Dreschvorrichtung |
EP2910107A1 (fr) * | 2014-02-24 | 2015-08-26 | John Deere (Tianjin) Co., Ltd | Dispositif de battage et de séparation et moissonneuse-batteuse dotée de celui-ci |
CN111226609B (zh) * | 2020-01-20 | 2023-02-03 | 湖南农业大学 | 一种谷类联合收割机中脱粒装置的脱粒方法 |
CN111480460B (zh) * | 2020-04-21 | 2022-01-11 | 扬州科丰高新产业投资开发集团有限公司 | 一种秸秆筛选设备 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE172246C (fr) * | ||||
US30563A (en) * | 1860-11-06 | Spike fob threshing-machines | ||
US1736775A (en) * | 1928-03-26 | 1929-11-26 | Joe Collins | Thrashing cylinder |
DE950249C (de) * | 1954-10-02 | 1956-10-04 | Claas Maschf Gmbh Geb | Anordnung zum Schneiden von Stroh an einer Schlagleisten-Dreschtrommel |
BE788802A (nl) * | 1971-07-06 | 1973-01-02 | Clayson Nv | Verbeteringen aan maaidorsers. |
US4164947A (en) * | 1978-03-10 | 1979-08-21 | Deere & Company | Rotor for an axial flow rotary separator |
GB2015855B (en) * | 1978-03-10 | 1982-05-19 | Deere & Co | Axial flow rotary threshing apparatus |
US4178943A (en) * | 1978-03-24 | 1979-12-18 | Deere & Company | Rotor for an axial flow rotary separator |
-
1981
- 1981-01-30 US US06/229,688 patent/US4362168A/en not_active Expired - Lifetime
- 1981-12-21 CA CA000392862A patent/CA1159333A/fr not_active Expired
-
1982
- 1982-01-21 EP EP82100400A patent/EP0057380B1/fr not_active Expired
- 1982-01-21 DE DE8282100400T patent/DE3274617D1/de not_active Expired
- 1982-01-27 BR BR8200452A patent/BR8200452A/pt unknown
- 1982-01-28 AU AU79925/82A patent/AU539471B2/en not_active Ceased
- 1982-01-28 ZA ZA82557A patent/ZA82557B/xx unknown
- 1982-01-28 SU SU823381952A patent/SU1192591A3/ru active
- 1982-01-28 ES ES82509129A patent/ES509129A0/es active Granted
Also Published As
Publication number | Publication date |
---|---|
CA1159333A (fr) | 1983-12-27 |
BR8200452A (pt) | 1982-11-30 |
US4362168A (en) | 1982-12-07 |
AU7992582A (en) | 1982-08-05 |
SU1192591A3 (ru) | 1985-11-15 |
DE3274617D1 (en) | 1987-01-22 |
ZA82557B (en) | 1983-09-28 |
AU539471B2 (en) | 1984-09-27 |
EP0057380A1 (fr) | 1982-08-11 |
ES8303007A1 (es) | 1983-02-01 |
ES509129A0 (es) | 1983-02-01 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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